Home / 674,256.11-930,432.30-368,270.51

Finding the Fourth Proportional to 674,256.11, 930,432.30 and 368,270.51

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Solution

The fourth proportional to 674,256.11, 930,432.30 and 368,270.51 is: 508,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,256.11 : 930,432.30 = 368,270.51 : x
  2. Step 2: Convert to fraction form
    674,256.11/930,432.30 = 368,270.51/x
  3. Step 3: Cross multiply
    674,256.11x = 930,432.30 × 368,270.51
  4. Step 4: Simplify right side
    674,256.11x = 342,650,777,641.47
  5. Step 5: Solve for x
    x = 342,650,777,641.47/674,256.11
  6. Step 6: Final answer
    x = 508,190.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.